X-Git-Url: https://git.creatis.insa-lyon.fr/pubgit/?a=blobdiff_plain;f=src%2FcreaSystem.cxx;h=26a071e8fa1179a765dadaf9374f244071bf9a5b;hb=72a6140565ccd0905f822c7bf17ea471762a9301;hp=73bd4ac64867b8d12a0961790c92c9e63ae29b32;hpb=596488a9529ffbedea2e6693e32e9b19f042b7e7;p=crea.git

diff --git a/src/creaSystem.cxx b/src/creaSystem.cxx
index 73bd4ac..26a071e 100644
--- a/src/creaSystem.cxx
+++ b/src/creaSystem.cxx
@@ -1,11 +1,76 @@
+/*
+# ---------------------------------------------------------------------
+#
+# Copyright (c) CREATIS (Centre de Recherche en Acquisition et Traitement de l'Image 
+#                        pour la Santé)
+# Authors : Eduardo Davila, Frederic Cervenansky, Claire Mouton
+# Previous Authors : Laurent Guigues, Jean-Pierre Roux
+# CreaTools website : www.creatis.insa-lyon.fr/site/fr/creatools_accueil
+#
+#  This software is governed by the CeCILL-B license under French law and 
+#  abiding by the rules of distribution of free software. You can  use, 
+#  modify and/ or redistribute the software under the terms of the CeCILL-B 
+#  license as circulated by CEA, CNRS and INRIA at the following URL 
+#  http://www.cecill.info/licences/Licence_CeCILL-B_V1-en.html 
+#  or in the file LICENSE.txt.
+#
+#  As a counterpart to the access to the source code and  rights to copy,
+#  modify and redistribute granted by the license, users are provided only
+#  with a limited warranty  and the software's author,  the holder of the
+#  economic rights,  and the successive licensors  have only  limited
+#  liability. 
+#
+#  The fact that you are presently reading this means that you have had
+#  knowledge of the CeCILL-B license and that you accept its terms.
+# ------------------------------------------------------------------------ 
+*/ 
+
 #include "creaSystem.h"
+#include <stdio.h>
+#include <stdlib.h>
+#include <iostream>
+
+#ifdef WIN32
+	#include <windows.h> /* GetModuleFileName */
+	#include <io.h>
+	
+#endif /* WIN32 */
+
+#ifdef LINUX
+	#include <sys/types.h>
+	#include <sys/stat.h>
+	#include <errno.h> 
+#endif 
+
+#ifdef __APPLE__  /* assume this is OSX */
+#include <sys/param.h>
+#include <mach-o/dyld.h> /* _NSGetExecutablePath : must add -framework
+CoreFoundation to link line */
+#include <string.h>
+# ifndef PATH_MAX
+#  define PATH_MAX MAXPATHLEN
+# endif
+#endif /* APPLE */
+
+#ifndef PATH_MAX
+#  define PATH_MAX 2048
+#endif
+
+#if defined(WIN32)
+  #include <direct.h>
+#else
+   #include <dirent.h>  
+#endif
+
+#include <stdlib.h>
+
 
 namespace crea
 {
 
 #ifdef _WIN32
   int System::HasTTY() { return false; }
-#else 
+#else  
 #include <unistd.h>
    int System::HasTTY() 
    { 
@@ -13,4 +78,214 @@ namespace crea
    }
 #endif
 
+int System::GetAppPath(char *pname, size_t pathsize)
+   {
+#ifdef LINUX	
+    /* Oddly, the readlink(2) man page says no NULL is appended. */
+    /* So you have to do it yourself, based on the return value: */
+    pathsize --; /* Preserve a space to add the trailing NULL */
+    long result = readlink("/proc/self/exe", pname, pathsize);
+    if (result > 0)
+	{
+		pname[result] = 0; /* add the #@!%ing NULL */
+		
+		if ((access(pname, 0) == 0))
+			return 0; /* file exists, return OK */
+		/*else name doesn't seem to exist, return FAIL (falls
+		 through) */
+	}
+#endif /* LINUX */
+    
+#ifdef WIN32
+    long result = GetModuleFileName(NULL, pname, pathsize);
+    if (result > 0)
+	{
+		/* fix up the dir slashes... */
+		int len = strlen(pname);
+		int idx;
+		for (idx = 0; idx < len; idx++)
+		{
+			if (pname[idx] == '\\') pname[idx] = '/';
+		}
+		
+		for (idx = len-1; idx >=0 ; idx--)
+		{
+			if (pname[idx] == '/')
+			{ 
+				pname[idx+1] = '\0';
+				idx = -1;
+			}
+		}
+		
+		if ((_access(pname, 0) == 0))
+			return 0; /* file exists, return OK */
+		/*else name doesn't seem to exist, return FAIL (falls
+		 through) */
+	}
+#endif /* WIN32 */
+    
+#ifdef SOLARIS
+    char *p = getexecname();
+    if (p)
+	{
+		/* According to the Sun manpages, getexecname will
+		 "normally" return an */
+		/* absolute path - BUT might not... AND that IF it is not,
+		 pre-pending */
+		/* getcwd() will "usually" be the correct thing... Urgh!
+		 */
+		
+		/* check pathname is absolute (begins with a / ???) */
+		if (p[0] == '/') /* assume this means we have an
+		 absolute path */
+		{
+			strncpy(pname, p, pathsize);
+			if ((access(pname, 0) == 0))
+				return 0; /* file exists, return OK */
+		}
+		else /* if not, prepend getcwd() then check if file
+		 exists */
+		{
+			getcwd(pname, pathsize);
+			long result = strlen(pname);
+			strncat(pname, "/", (pathsize - result));
+			result ++;
+			strncat(pname, p, (pathsize - result));
+			
+			if ((access(pname, 0) == 0))
+				return 0; /* file exists, return OK */
+			/*else name doesn't seem to exist, return FAIL
+			 (falls through) */
+		}
+	}
+#endif /* SOLARIS */
+    
+#ifdef MACOSX /* assume this is OSX */
+    /*
+	 from http://www.hmug.org/man/3/NSModule.html
+	 
+	 extern int _NSGetExecutablePath(char *buf, unsigned long
+	 *bufsize);
+	 
+	 _NSGetExecutablePath  copies  the  path  of the executable
+	 into the buffer and returns 0 if the path was successfully
+	 copied  in the provided buffer. If the buffer is not large
+	 enough, -1 is returned and the  expected  buffer  size  is
+	 copied  in  *bufsize.  Note that _NSGetExecutablePath will
+	 return "a path" to the executable not a "real path" to the
+	 executable.  That  is  the path may be a symbolic link and
+	 not the real file. And with  deep  directories  the  total
+	 bufsize needed could be more than MAXPATHLEN.
+	 */
+	
+    int status = -1;
+    char *given_path = (char*)malloc(MAXPATHLEN * 2);
+    if (!given_path) return status;
+    
+    uint32_t npathsize = MAXPATHLEN * 2;
+    long result = _NSGetExecutablePath(given_path, &npathsize);
+    if (result == 0)
+	{ /* OK, we got something - now try and resolve the real path...
+	 */
+		if (realpath(given_path, pname) != NULL)
+		{
+			if ((access(pname, 0) == 0))
+				status = 0; /* file exists, return OK */
+		}
+	}
+    free (given_path);
+    return status;
+#endif /* MACOSX */
+    
+    return -1; /* Path Lookup Failed */
+}
+
+std::string System::GetDllAppPath(std::string &nomdll){
+	std::string path = ".";
+#ifdef WIN32
+	char currentPath[_MAX_PATH];
+	HMODULE hand = GetModuleHandle(nomdll.c_str());
+	GetModuleFileName(hand, currentPath, _MAX_PATH);
+
+	path = currentPath;
+
+	path = path.substr(0,path.find_last_of("\\"));
+#endif
+	return path;
+}
+
+
+std::string System::GetDllAppPath(const char *nomdll){
+	std::string path = ".";
+#ifdef WIN32
+	char currentPath[_MAX_PATH];
+	HMODULE hand = GetModuleHandle(nomdll);
+	GetModuleFileName(hand, currentPath, _MAX_PATH);
+
+	path = currentPath;
+
+	path = path.substr(0,path.find_last_of("\\"));
+#endif
+	return path;
+}
+
+
+#if defined(_WIN32)
+#define CREACONTOUR_VALID_FILE_SEPARATOR_CHAR '\\'
+#else
+#define CREACONTOUR_VALID_FILE_SEPARATOR_CHAR '/'
+#endif	
+	
+	//=========================================================================
+std::string System::GetExecutablePath(){
+		char name[PATH_MAX];
+		//EED    int err = get_app_path(name, PATH_MAX);
+		int err = System::GetAppPath(name,PATH_MAX);
+		if (err) 
+		{
+			printf("Could not determine current executable path ?  ");  
+		}    
+		// remove the exe name
+		char *slash;
+		slash = strrchr(name, CREACONTOUR_VALID_FILE_SEPARATOR_CHAR);
+		if (slash)
+		{
+			*slash = 0;
+		}
+		return name;
+	}
+	
+	void System::createDirectory(const char* directorypath){
+		#ifdef WIN32
+			if (CreateDirectory(directorypath, NULL) == ERROR_ALREADY_EXISTS) 
+			{ 
+				std::cout<<"directory already exists "<<directorypath<<std::endl;
+			}else if(CreateDirectory(directorypath, NULL) == ERROR_PATH_NOT_FOUND){
+				std::string error = "Directory could not be created ";
+				error.append(directorypath);
+				throw error.c_str();
+			}
+		#endif
+		#ifdef LINUX
+			//! include sys/types.h
+			//! include sys/stat.h
+			//! int mkdir(const char *path, mode_t mode);
+			//! read/write/search permissions for owner and group, and with read/search permissions for others S_IRWXU | S_IRWXG | S_IROTH | S_IXOTH
+			int returnval = mkdir(directorypath, S_IRWXU | S_IRWXG | S_IROTH | S_IXOTH);
+			
+			if(returnval != 0){
+				if(errno == EEXIST){
+					std::cout<<"directory already exists "<<directorypath<<std::endl;
+				}else{
+					std::string error = "Directory could not be created ";
+					error.append(directorypath);
+					throw error.c_str();
+				}
+			}
+		#endif
+		#ifdef MACOSX
+		//TODO
+		#endif
+	}
+
 } // namespace crea